def calcute():
    allowpc = ["lzx-laptop"]
    AppTools.globalVar.execResult['pccanuse'] = "none"
    computer_id = node()
    if computer_id!=AppTools.globalVar.execResult['pccanuse'] or (computer_id in allowpc and AppTools.globalVar.execResult['pccanuse'] != "everyone"):
        AppTools.globalVar.execResult['pccanuse'] = computer_id
calcute()